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frequency of crystal oscillator | 32, 768 Hz |
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loss/gain (monthly rate) | Less than 15 seconds |
accuracy of alarm | ±1 minute |
operational temperature range | –10°C ~ +60°C |
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normal temperature range | 5°C ~ 35°C |
driving system | Step motor, 4 pieces |
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battery | SEIKO SR927W, 1 piece |
IC (Integrated Circuit) | C-MOS-LSI |